2017JMRIMarc N.Fournier12017-02-10MFOAdd CV64 to deal with 21MTC Logic Level CompatibilityLogic Level12 Volts<html>Compatibility with either Logic or 12 Volt Level for Aux 3 and 4<br>By default, set to Logic level for most locos using 21MTC.<br>Using 12 V will configure Aux 3 and 4 at the same level as other outputs.</html>